Source Code Cross Referenced for ArrayUtil.java in  » Portal » liferay-portal-4.4.2 » com » liferay » portal » kernel » util » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » liferay portal 4.4.2 » com.liferay.portal.kernel.util 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /**
002:         * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
003:         *
004:         * Permission is hereby granted, free of charge, to any person obtaining a copy
005:         * of this software and associated documentation files (the "Software"), to deal
006:         * in the Software without restriction, including without limitation the rights
007:         * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
008:         * copies of the Software, and to permit persons to whom the Software is
009:         * furnished to do so, subject to the following conditions:
010:         *
011:         * The above copyright notice and this permission notice shall be included in
012:         * all copies or substantial portions of the Software.
013:         *
014:         * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
015:         * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
016:         * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
017:         * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
018:         * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
019:         * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
020:         * SOFTWARE.
021:         */package com.liferay.portal.kernel.util;
022:
023:        import java.util.ArrayList;
024:        import java.util.Comparator;
025:        import java.util.List;
026:        import java.util.Set;
027:        import java.util.TreeSet;
028:
029:        /**
030:         * <a href="ArrayUtil.java.html"><b><i>View Source</i></b></a>
031:         *
032:         * @author Brian Wing Shun Chan
033:         *
034:         */
035:        public class ArrayUtil {
036:
037:            public static Boolean[] append(Boolean[] array, Boolean obj) {
038:                Boolean[] newArray = new Boolean[array.length + 1];
039:
040:                System.arraycopy(array, 0, newArray, 0, array.length);
041:
042:                newArray[newArray.length - 1] = obj;
043:
044:                return newArray;
045:            }
046:
047:            public static Double[] append(Double[] array, Double obj) {
048:                Double[] newArray = new Double[array.length + 1];
049:
050:                System.arraycopy(array, 0, newArray, 0, array.length);
051:
052:                newArray[newArray.length - 1] = obj;
053:
054:                return newArray;
055:            }
056:
057:            public static Float[] append(Float[] array, Float obj) {
058:                Float[] newArray = new Float[array.length + 1];
059:
060:                System.arraycopy(array, 0, newArray, 0, array.length);
061:
062:                newArray[newArray.length - 1] = obj;
063:
064:                return newArray;
065:            }
066:
067:            public static Integer[] append(Integer[] array, Integer obj) {
068:                Integer[] newArray = new Integer[array.length + 1];
069:
070:                System.arraycopy(array, 0, newArray, 0, array.length);
071:
072:                newArray[newArray.length - 1] = obj;
073:
074:                return newArray;
075:            }
076:
077:            public static Long[] append(Long[] array, Long obj) {
078:                Long[] newArray = new Long[array.length + 1];
079:
080:                System.arraycopy(array, 0, newArray, 0, array.length);
081:
082:                newArray[newArray.length - 1] = obj;
083:
084:                return newArray;
085:            }
086:
087:            public static Object[] append(Object[] array, Object obj) {
088:                Object[] newArray = new Object[array.length + 1];
089:
090:                System.arraycopy(array, 0, newArray, 0, array.length);
091:
092:                newArray[newArray.length - 1] = obj;
093:
094:                return newArray;
095:            }
096:
097:            public static Object[][] append(Object[][] array, Object[] obj) {
098:                Object[][] newArray = new Object[array.length + 1][];
099:
100:                System.arraycopy(array, 0, newArray, 0, array.length);
101:
102:                newArray[newArray.length - 1] = obj;
103:
104:                return newArray;
105:            }
106:
107:            public static Short[] append(Short[] array, Short obj) {
108:                Short[] newArray = new Short[array.length + 1];
109:
110:                System.arraycopy(array, 0, newArray, 0, array.length);
111:
112:                newArray[newArray.length - 1] = obj;
113:
114:                return newArray;
115:            }
116:
117:            public static String[] append(String[] array, String obj) {
118:                String[] newArray = new String[array.length + 1];
119:
120:                System.arraycopy(array, 0, newArray, 0, array.length);
121:
122:                newArray[newArray.length - 1] = obj;
123:
124:                return newArray;
125:            }
126:
127:            public static String[][] append(String[][] array, String[] obj) {
128:                String[][] newArray = new String[array.length + 1][];
129:
130:                System.arraycopy(array, 0, newArray, 0, array.length);
131:
132:                newArray[newArray.length - 1] = obj;
133:
134:                return newArray;
135:            }
136:
137:            public static Boolean[] append(Boolean[] array1, Boolean[] array2) {
138:                Boolean[] newArray = new Boolean[array1.length + array2.length];
139:
140:                System.arraycopy(array1, 0, newArray, 0, array1.length);
141:                System.arraycopy(array2, 0, newArray, array1.length,
142:                        array2.length);
143:
144:                return newArray;
145:            }
146:
147:            public static Double[] append(Double[] array1, Double[] array2) {
148:                Double[] newArray = new Double[array1.length + array2.length];
149:
150:                System.arraycopy(array1, 0, newArray, 0, array1.length);
151:                System.arraycopy(array2, 0, newArray, array1.length,
152:                        array2.length);
153:
154:                return newArray;
155:            }
156:
157:            public static Float[] append(Float[] array1, Float[] array2) {
158:                Float[] newArray = new Float[array1.length + array2.length];
159:
160:                System.arraycopy(array1, 0, newArray, 0, array1.length);
161:                System.arraycopy(array2, 0, newArray, array1.length,
162:                        array2.length);
163:
164:                return newArray;
165:            }
166:
167:            public static Integer[] append(Integer[] array1, Integer[] array2) {
168:                Integer[] newArray = new Integer[array1.length + array2.length];
169:
170:                System.arraycopy(array1, 0, newArray, 0, array1.length);
171:                System.arraycopy(array2, 0, newArray, array1.length,
172:                        array2.length);
173:
174:                return newArray;
175:            }
176:
177:            public static Long[] append(Long[] array1, Long[] array2) {
178:                Long[] newArray = new Long[array1.length + array2.length];
179:
180:                System.arraycopy(array1, 0, newArray, 0, array1.length);
181:                System.arraycopy(array2, 0, newArray, array1.length,
182:                        array2.length);
183:
184:                return newArray;
185:            }
186:
187:            public static Object[] append(Object[] array1, Object[] array2) {
188:                Object[] newArray = new Object[array1.length + array2.length];
189:
190:                System.arraycopy(array1, 0, newArray, 0, array1.length);
191:                System.arraycopy(array2, 0, newArray, array1.length,
192:                        array2.length);
193:
194:                return newArray;
195:            }
196:
197:            public static Object[][] append(Object[][] array1, Object[][] array2) {
198:                Object[][] newArray = new Object[array1.length + array2.length][];
199:
200:                System.arraycopy(array1, 0, newArray, 0, array1.length);
201:                System.arraycopy(array2, 0, newArray, array1.length,
202:                        array2.length);
203:
204:                return newArray;
205:            }
206:
207:            public static Short[] append(Short[] array1, Short[] array2) {
208:                Short[] newArray = new Short[array1.length + array2.length];
209:
210:                System.arraycopy(array1, 0, newArray, 0, array1.length);
211:                System.arraycopy(array2, 0, newArray, array1.length,
212:                        array2.length);
213:
214:                return newArray;
215:            }
216:
217:            public static String[] append(String[] array1, String[] array2) {
218:                String[] newArray = new String[array1.length + array2.length];
219:
220:                System.arraycopy(array1, 0, newArray, 0, array1.length);
221:                System.arraycopy(array2, 0, newArray, array1.length,
222:                        array2.length);
223:
224:                return newArray;
225:            }
226:
227:            public static String[][] append(String[][] array1, String[][] array2) {
228:                String[][] newArray = new String[array1.length + array2.length][];
229:
230:                System.arraycopy(array1, 0, newArray, 0, array1.length);
231:                System.arraycopy(array2, 0, newArray, array1.length,
232:                        array2.length);
233:
234:                return newArray;
235:            }
236:
237:            public static void combine(Object[] array1, Object[] array2,
238:                    Object[] combinedArray) {
239:
240:                System.arraycopy(array1, 0, combinedArray, 0, array1.length);
241:
242:                System.arraycopy(array2, 0, combinedArray, array1.length,
243:                        array2.length);
244:            }
245:
246:            public static boolean contains(boolean[] array, boolean value) {
247:                if ((array == null) || (array.length == 0)) {
248:                    return false;
249:                } else {
250:                    for (int i = 0; i < array.length; i++) {
251:                        if (value == array[i]) {
252:                            return true;
253:                        }
254:                    }
255:
256:                    return false;
257:                }
258:            }
259:
260:            public static boolean contains(char[] array, char value) {
261:                if ((array == null) || (array.length == 0)) {
262:                    return false;
263:                } else {
264:                    for (int i = 0; i < array.length; i++) {
265:                        if (value == array[i]) {
266:                            return true;
267:                        }
268:                    }
269:
270:                    return false;
271:                }
272:            }
273:
274:            public static boolean contains(double[] array, double value) {
275:                if ((array == null) || (array.length == 0)) {
276:                    return false;
277:                } else {
278:                    for (int i = 0; i < array.length; i++) {
279:                        if (value == array[i]) {
280:                            return true;
281:                        }
282:                    }
283:
284:                    return false;
285:                }
286:            }
287:
288:            public static boolean contains(long[] array, long value) {
289:                if ((array == null) || (array.length == 0)) {
290:                    return false;
291:                } else {
292:                    for (int i = 0; i < array.length; i++) {
293:                        if (value == array[i]) {
294:                            return true;
295:                        }
296:                    }
297:
298:                    return false;
299:                }
300:            }
301:
302:            public static boolean contains(int[] array, int value) {
303:                if ((array == null) || (array.length == 0)) {
304:                    return false;
305:                } else {
306:                    for (int i = 0; i < array.length; i++) {
307:                        if (value == array[i]) {
308:                            return true;
309:                        }
310:                    }
311:
312:                    return false;
313:                }
314:            }
315:
316:            public static boolean contains(short[] array, short value) {
317:                if ((array == null) || (array.length == 0)) {
318:                    return false;
319:                } else {
320:                    for (int i = 0; i < array.length; i++) {
321:                        if (value == array[i]) {
322:                            return true;
323:                        }
324:                    }
325:
326:                    return false;
327:                }
328:            }
329:
330:            public static boolean contains(Object[] array, Object value) {
331:                if ((array == null) || (array.length == 0) || (value == null)) {
332:                    return false;
333:                } else {
334:                    for (int i = 0; i < array.length; i++) {
335:                        if (value.equals(array[i])) {
336:                            return true;
337:                        }
338:                    }
339:
340:                    return false;
341:                }
342:            }
343:
344:            public static String[] distinct(String[] array) {
345:                return distinct(array, null);
346:            }
347:
348:            public static String[] distinct(String[] array,
349:                    Comparator comparator) {
350:                if ((array == null) || (array.length == 0)) {
351:                    return array;
352:                }
353:
354:                Set set = null;
355:
356:                if (comparator == null) {
357:                    set = new TreeSet();
358:                } else {
359:                    set = new TreeSet(comparator);
360:                }
361:
362:                for (int i = 0; i < array.length; i++) {
363:                    Object obj = array[i];
364:
365:                    if (!set.contains(obj)) {
366:                        set.add(obj);
367:                    }
368:                }
369:
370:                return (String[]) set.toArray(new String[0]);
371:            }
372:
373:            public static int getLength(Object[] array) {
374:                if (array == null) {
375:                    return 0;
376:                } else {
377:                    return array.length;
378:                }
379:            }
380:
381:            public static Object getValue(Object[] array, int pos) {
382:                if ((array == null) || (array.length <= pos)) {
383:                    return null;
384:                } else {
385:                    return array[pos];
386:                }
387:            }
388:
389:            public static String[] removeByPrefix(String[] array, String prefix) {
390:                List list = new ArrayList();
391:
392:                for (int i = 0; i < array.length; i++) {
393:                    String s = array[i];
394:
395:                    if (!s.startsWith(prefix)) {
396:                        list.add(s);
397:                    }
398:                }
399:
400:                return (String[]) list.toArray(new String[list.size()]);
401:            }
402:
403:            public static Boolean[] toObjectArray(boolean[] array) {
404:                Boolean[] objArray = new Boolean[array.length];
405:
406:                for (int i = 0; i < array.length; i++) {
407:                    objArray[i] = Boolean.valueOf(array[i]);
408:                }
409:
410:                return objArray;
411:            }
412:
413:            public static Double[] toObjectArray(double[] array) {
414:                Double[] objArray = new Double[array.length];
415:
416:                for (int i = 0; i < array.length; i++) {
417:                    objArray[i] = new Double(array[i]);
418:                }
419:
420:                return objArray;
421:            }
422:
423:            public static Float[] toObjectArray(float[] array) {
424:                Float[] objArray = new Float[array.length];
425:
426:                for (int i = 0; i < array.length; i++) {
427:                    objArray[i] = new Float(array[i]);
428:                }
429:
430:                return objArray;
431:            }
432:
433:            public static Integer[] toObjectArray(int[] array) {
434:                Integer[] objArray = new Integer[array.length];
435:
436:                for (int i = 0; i < array.length; i++) {
437:                    objArray[i] = new Integer(array[i]);
438:                }
439:
440:                return objArray;
441:            }
442:
443:            public static Long[] toObjectArray(long[] array) {
444:                Long[] objArray = new Long[array.length];
445:
446:                for (int i = 0; i < array.length; i++) {
447:                    objArray[i] = new Long(array[i]);
448:                }
449:
450:                return objArray;
451:            }
452:
453:            public static Short[] toObjectArray(short[] array) {
454:                Short[] objArray = new Short[array.length];
455:
456:                for (int i = 0; i < array.length; i++) {
457:                    objArray[i] = new Short(array[i]);
458:                }
459:
460:                return objArray;
461:            }
462:
463:        }
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